273 lines
7.3 KiB
C++
273 lines
7.3 KiB
C++
#include <string>
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#include <vector>
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#include <fstream>
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#include <cstdlib>
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#include "util.hpp"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <cmath>
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#include <iostream>
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#include <iomanip>
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#ifndef WIN32
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#include <unistd.h>
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#define stat _stat
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#endif
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namespace util {
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IdVector id_vector_create(int64_t id1, int64_t id2, int64_t id3, int64_t id4) {
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IdVector result;
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if (id1 >= 0) result.push_back(id1);
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if (id2 >= 0) result.push_back(id2);
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if (id3 >= 0) result.push_back(id3);
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if (id4 >= 0) result.push_back(id4);
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return result;
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}
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std::string id_vector_debug_string(const IdVector &idv) {
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std::ostringstream oss;
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bool first = true;
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for (int64_t id : idv) {
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if (!first) oss << ",";
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oss << id;
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first = false;
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}
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return oss.str();
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}
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IdVector sort_union_id_vectors(const IdVector &v1, const IdVector &v2) {
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IdVector result(v1.size() + v2.size());
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int next = 0;
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for (int64_t id : v1) result[next++] = id;
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for (int64_t id : v2) result[next++] = id;
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std::sort(result.begin(), result.end());
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int64_t prev = -1;
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int64_t count = 0;
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for (int64_t id : result) {
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if (id != prev) {
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prev = id;
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result[count++] = id;
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}
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}
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result.resize(count);
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return result;
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}
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HashValue hash_id_vector(const IdVector &idv) {
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uint64_t hash1 = 0;
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uint64_t hash2 = 0;
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SpookyHash::Hash128(&idv[0], idv.size() * sizeof(int64_t), &hash1, &hash2);
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return std::make_pair(hash1, hash2);
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}
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StringVec split(const std::string &s, char sep) {
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StringVec result;
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int start = 0;
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for (int i = 0; i < int(s.size()); i++) {
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if (s[i] == sep) {
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result.push_back(s.substr(start, i-start));
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start = i+1;
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}
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}
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if (start < int(s.size())) {
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result.push_back(s.substr(start));
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}
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return result;
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}
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std::string tolower(std::string input) {
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for (int i = 0; i < int(input.size()); i++) {
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input[i] = std::tolower(input[i]);
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}
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return input;
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}
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std::string toupper(std::string input) {
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for (int i = 0; i < int(input.size()); i++) {
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input[i] = std::toupper(input[i]);
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}
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return input;
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}
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bool validinteger(const std::string &value) {
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char *endptr;
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if (value.size() == 0) return false;
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strtoll(value.c_str(), &endptr, 10);
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return (endptr == value.c_str() + value.size());
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}
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int64_t strtoint(const std::string &value, int64_t errval) {
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char *endptr;
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if (value.size() == 0) return errval;
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int64_t result = strtoll(value.c_str(), &endptr, 10);
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if (endptr == value.c_str() + value.size()) {
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return result;
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} else {
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return errval;
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}
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}
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double strtodouble(const std::string &value) {
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char *endptr;
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if (value.size() == 0) return std::nan("");
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double result = strtod(value.c_str(), &endptr);
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if (endptr == value.c_str() + value.size()) {
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return result;
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} else {
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return std::nan("");
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}
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}
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std::string ltrim(std::string s) {
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s.erase(s.begin(), std::find_if(s.begin(), s.end(),
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std::not1(std::ptr_fun<int, int>(std::isspace))));
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return s;
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}
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std::string rtrim(std::string s) {
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s.erase(std::find_if(s.rbegin(), s.rend(),
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std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
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return s;
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}
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std::string trim(std::string s) {
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return ltrim(rtrim(s));
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}
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double distance_squared(double x1, double y1, double x2, double y2) {
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double dx = x1 - x2;
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double dy = y1 - y2;
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return dx*dx + dy*dy;
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}
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std::string get_file_contents(const std::string &fn) {
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std::ifstream fs(fn);
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std::stringstream buffer;
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buffer << fs.rdbuf();
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return buffer.str();
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}
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StringVec get_file_lines(const std::string &path) {
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StringVec result;
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std::ifstream f;
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f.open(path);
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if (f) {
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std::string line;
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while (std::getline(f, line)) {
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result.push_back(line);
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}
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f.close();
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}
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return result;
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}
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std::string get_file_fingerprint(const std::string &fn) {
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struct stat result;
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if(stat(fn.c_str(), &result)==0)
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{
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std::stringstream ss;
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ss << result.st_mtime;
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return ss.str();
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}
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return "";
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}
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std::string XYZ::debug_string() const {
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std::ostringstream oss;
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oss << "(" << x << "," << y << "," << z << ")";
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return oss.str();
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}
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} // namespace util
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std::ostream &operator<<(std::ostream &oss, const util::hex64 &v) {
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oss << "0x" << std::setw(16) << std::setfill('0') << std::hex;
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return oss;
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}
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std::ostream &operator<<(std::ostream &oss, const util::hex32 &v) {
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oss << "0x" << std::setw(8) << std::setfill('0') << std::hex;
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return oss;
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}
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std::ostream &operator<<(std::ostream &oss, const util::hex16 &v) {
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oss << "0x" << std::setw(4) << std::setfill('0') << std::hex;
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return oss;
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}
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std::ostream &operator<<(std::ostream &oss, const util::hex8 &v) {
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oss << "0x" << std::setw(2) << std::setfill('0') << std::hex;
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return oss;
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}
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LuaDefine(unittests_util, "c") {
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// Test the unioning of ID vectors.
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util::IdVector idv1,idv2;
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idv1.push_back(1);
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idv1.push_back(6);
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idv1.push_back(4);
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idv2.push_back(5);
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idv2.push_back(1);
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idv2.push_back(6);
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util::IdVector joined = util::sort_union_id_vectors(idv1, idv2);
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LuaAssert(L, joined.size() == 4);
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LuaAssert(L, joined[0] == 1);
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LuaAssert(L, joined[1] == 4);
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LuaAssert(L, joined[2] == 5);
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LuaAssert(L, joined[3] == 6);
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// Test the string split routine.
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util::StringVec sv1 = util::split("foo,bar,baz", ',');
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LuaAssert(L, sv1.size() == 3);
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LuaAssert(L, sv1[0] == "foo");
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LuaAssert(L, sv1[1] == "bar");
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LuaAssert(L, sv1[2] == "baz");
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util::StringVec sv2 = util::split(",foo,,bar", ',');
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LuaAssert(L, sv2.size() == 4);
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LuaAssert(L, sv2[0]=="");
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LuaAssert(L, sv2[1]=="foo");
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LuaAssert(L, sv2[2]=="");
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LuaAssert(L, sv2[3]=="bar");
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// test toupper and tolower
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LuaAssert(L, util::toupper("fooBar") == "FOOBAR");
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LuaAssert(L, util::tolower("fooBar") == "foobar");
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// test validinteger, strtoint, strtodouble
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LuaAssert(L, util::validinteger("123") == true);
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LuaAssert(L, util::validinteger("123.4") == false);
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LuaAssert(L, util::validinteger("12ab") == false);
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LuaAssert(L, util::validinteger("") == false);
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LuaAssert(L, util::strtoint("123", -5) == 123);
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LuaAssert(L, util::strtoint("123.4", -5) == -5);
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LuaAssert(L, util::strtoint("12ab", -5) == -5);
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LuaAssert(L, util::strtoint("", -5) == -5);
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LuaAssert(L, util::strtodouble("123.5") == 123.5);
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LuaAssert(L, std::isnan(util::strtodouble("12ab")));
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LuaAssert(L, std::isnan(util::strtodouble("")));
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// Test trim, ltrim, rtrim
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LuaAssert(L, util::ltrim(" foo ") == "foo ");
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LuaAssert(L, util::rtrim(" foo ") == " foo");
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LuaAssert(L, util::trim(" foo ") == "foo");
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LuaAssert(L, util::trim("foo") == "foo");
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LuaAssert(L, util::trim("") == "");
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// Test distance_squared
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LuaAssert(L, util::distance_squared(1, 1, 5, 4) == 25.0);
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LuaAssert(L, util::distance_squared(5, 4, 1, 1) == 25.0);
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// Test XYZ.
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util::XYZ xyza(3,4,5), xyzb(3,4,5), xyzc(3,4,6);
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LuaAssert(L, xyza.x == 3);
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LuaAssert(L, xyza.y == 4);
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LuaAssert(L, xyza.z == 5);
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LuaAssert(L, xyza == xyzb);
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LuaAssert(L, xyza != xyzc);
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LuaAssert(L, xyza.debug_string() == "(3,4,5)");
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return 0;
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}
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